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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-245.969109
Energy at 298.15K 
HF Energy-245.969109
Nuclear repulsion energy161.430164
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B97D3/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3228 3186 0.35 131.37 0.11 0.20
2 A' 3203 3161 0.08 65.55 0.62 0.76
3 A' 3179 3138 1.75 92.97 0.36 0.53
4 A' 1548 1527 9.40 4.58 0.01 0.02
5 A' 1419 1401 27.25 33.17 0.22 0.37
6 A' 1363 1345 4.29 5.19 0.03 0.05
7 A' 1214 1198 3.95 18.39 0.08 0.14
8 A' 1119 1104 19.63 6.52 0.26 0.41
9 A' 1092 1078 8.57 10.99 0.04 0.08
10 A' 1022 1009 10.03 2.45 0.71 0.83
11 A' 919 907 7.60 2.81 0.73 0.84
12 A' 900 889 1.00 0.45 0.54 0.70
13 A' 813 803 20.16 5.53 0.13 0.23
14 A" 882 871 5.93 0.19 0.75 0.86
15 A" 838 827 0.37 0.64 0.75 0.86
16 A" 755 746 61.33 0.18 0.75 0.86
17 A" 632 624 2.30 0.15 0.75 0.86
18 A" 596 588 12.24 0.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12360.9 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 12200.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B97D3/6-311+G(3df,2p)
ABC
0.32550 0.31807 0.16087

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.127 0.367 0.000
C2 0.621 -0.963 0.000
C3 0.000 1.131 0.000
N4 -0.693 -0.999 0.000
O5 -1.098 0.349 0.000
H6 2.155 0.695 0.000
H7 1.169 -1.896 0.000
H8 -0.180 2.196 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42261.36182.27612.22501.07882.26372.2486
C21.42262.18351.31462.16152.25841.08303.2589
C31.36182.18352.24011.34792.19883.24521.0807
N42.27611.31462.24011.40723.31402.06723.2367
O52.22502.16151.34791.40723.27113.19042.0632
H61.07882.25842.19883.31403.27112.77242.7763
H72.26371.08303.24522.06723.19042.77244.3095
H82.24863.25891.08073.23672.06322.77634.3095

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.457 C1 C2 H7 128.722
C1 C3 O5 110.398 C1 C3 H8 133.712
C2 C1 C3 103.270 C2 C1 H6 128.550
C2 N4 O5 105.100 C3 C1 H6 128.180
C3 O5 N4 108.775 N4 C2 H7 118.820
O5 C3 H8 115.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.037      
2 C 0.290      
3 C 0.249      
4 N -0.532      
5 O -0.403      
6 H 0.138      
7 H 0.146      
8 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.541 1.493 0.000 2.947
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.684 -2.668 0.000
y -2.668 -25.333 0.000
z 0.000 0.000 -30.236
Traceless
 xyz
x -0.900 -2.668 0.000
y -2.668 4.127 0.000
z 0.000 0.000 -3.227
Polar
3z2-r2-6.454
x2-y2-3.351
xy-2.668
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.287 -0.055 0.000
y -0.055 8.022 0.000
z 0.000 0.000 4.601


<r2> (average value of r2) Å2
<r2> 77.429
(<r2>)1/2 8.799